Cache Validation

What is sent special in HTTP message to server when the following is done

1) Shift-Refresh in Internet Explorer

2) Shift-Reload in Netscape Navigator

Is it that the "If-Modified-Since" header is sent or is a GET mssg sent w/o
this header ?

What about HTTP/1.1 ??

Thanks
Diwakar

Received on Wednesday, 16 October 2002 09:24:13 UTC